KLA Corporation Annual report pursuant to Section 13 and 15(d)

Derivative Instruments and Hedging Activities - Schedule of Derivative Instruments (Details)

Derivative Instruments and Hedging Activities - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification
Asset derivatives fair value	$ 5,931	$ 1,095
Liability derivatives fair value	1,275	11,647
Other current assets
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification
Asset derivatives fair value	5,931	1,095
Other current liabilities
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification
Liability derivatives fair value	1,275	11,647
Derivatives designated as hedging instruments \| Other current assets
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification
Foreign exchange contracts, other current assets	2,198	342
Asset derivatives fair value	2,198	342
Derivatives designated as hedging instruments \| Other current liabilities
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification
Foreign exchange contracts, other current liabilities	72	4,736
Liability derivatives fair value	72	4,736
Derivatives not designated as hedging instruments \| Other current assets
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification
Foreign exchange contracts, other current assets	3,733	753
Asset derivatives fair value	3,733	753
Derivatives not designated as hedging instruments \| Other current liabilities
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification
Foreign exchange contracts, other current liabilities	1,203	6,911
Liability derivatives fair value	$ 1,203	$ 6,911